CN101888023B - Antenna equipment shared by multiple systems - Google Patents
Antenna equipment shared by multiple systems Download PDFInfo
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- CN101888023B CN101888023B CN 200910084313 CN200910084313A CN101888023B CN 101888023 B CN101888023 B CN 101888023B CN 200910084313 CN200910084313 CN 200910084313 CN 200910084313 A CN200910084313 A CN 200910084313A CN 101888023 B CN101888023 B CN 101888023B
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Abstract
The invention discloses antenna equipment shared by multiple systems, which aims to solve the problems of signal loss caused by the introduction of a combiner in the conventional multi-system antenna fusion technology and roof resource shortage. In an antenna array of the antenna equipment, a part of the array is used for receiving and transmitting signals of a fourth generation or second generation mobile communication system, and antenna ports corresponding to the array are used for connecting master devices of the fourth generation or second generation mobile communication system; and in the antenna array of the antenna equipment, the rest part of the array is used for receiving and transmitting signals of a third generation mobile communication system, and antenna ports corresponding to the array are used for connecting master devices of the third generation mobile communication system.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of antenna equipment that the various kinds of mobile communication system shares that is total to.
Background technology
Along with the mobile communication technology development, future except synchronous CDMA (Code Division Multiple Access) (3G TD-SCDMA) network of the third generation time-division that second generation global system for mobile communications (2G GSM) network is arranged and building, the 4th time-division in generation Long Term Evolution (4G TD-LTE) network also will appear at present.The network Development situation that in this case, multiple communication standard will inevitably occur and deposit.Three kinds of present communication standards have independently antenna-feedback system, and the frequency range difference that adopts is also very large.But, have the network of 2G, 3G multiple types owing to a plurality of operations commercial city at present, and consider follow-up evolution, the antenna feeder quantity of following terrace will be very surprising, if do not adopt antenna feeder integration technology or shared antenna technology, each residential quarter direction of following terrace will have at most 5 more than.If consider the multi-operator networking, this situation will cause the terrace resource exception nervous, greatly delay construction progress.
The warm scheme of present antenna feeder is on original TD-CDMA smart antenna basis, and 2 ports (port) of choosing wherein close road TD-LTE antenna, thereby realizes TD-CDMA antenna and TD-LTE antenna duplexer feeder line.As shown in Figure 1, for having the altogether schematic diagram of feeder line of TD-CDMA antenna and TD-LTE antenna now, wherein, the TD-CDMA antenna has 8 ports, 6 ports wherein are connected with TD-CDMA main equipment (such as the base station) 105, (Port 1 for 2 ports in addition, Port 2) be connected with being connected with the road device, also be connected in the port of TD-LTE antenna with road device 103, are connected with the road device and are connected with being connected with the road device, two outputs of being connected with the road device connect respectively TD-CDMA system master 105 and TD-LTE system master (such as the base station) 106, and like this, TD-CDMA antenna and TD-LTE antenna are by realizing altogether feeder line with the road device, but, can produce certain loss with the road device to signal, can affect the feeder signals quality and performance, and still there is the problem of terrace resource anxiety in the warm mode of this antenna feeder.
Summary of the invention
The embodiment of the invention provides a kind of antenna equipment of shared by multiple systems, has the problem of terrace resource anxiety to solve the existing warm technology of multisystem antenna, and because introducing and the problem of the loss of signal that the road device brings.
In the aerial array of the antenna equipment of the shared by multiple systems that the embodiment of the invention provides, in the aerial array of described antenna equipment, part array is used for the signal transmitting and receiving of the 4th generation or second generation mobile communication system, and the antenna port corresponding with this array is used for connecting the main equipment of the 4th generation or second generation mobile communication system; The array of remainder is used for the signal transmitting and receiving of 3-G (Generation Three mobile communication system), and the antenna port corresponding with this array is used for connecting the main equipment of 3-G (Generation Three mobile communication system);
Described antenna equipment also comprises:
The first electric mode transfer piece, this module was electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving, was used for receiving the first control signal, and the lower decline angle in a period of time that is connected with this module according to this control signal adjustment;
The second electric mode transfer piece, this module was electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving, was used for receiving the second control signal, and the lower decline angle in a period of time that is connected with this module according to this control signal adjustment.
The above embodiment of the present invention, by in an antenna equipment, being provided for carrying out the aerial array of the 4th generation or second generation mobile communication system signal transmitting and receiving, and the aerial array that is used for carrying out the 3-G (Generation Three mobile communication system) signal transmitting and receiving, thereby realized many communication systems common antenna, saved the terrace resource.In addition, by be connected the main equipment of the 4th generation or second generation mobile communication system with the corresponding antenna port of aerial array that is used for carrying out the 4th generation or second generation mobile communication system signal transmitting and receiving, and by be connected the main equipment of 3-G (Generation Three mobile communication system) with the corresponding antenna port of aerial array that is used for carrying out the 3-G (Generation Three mobile communication system) signal transmitting and receiving, compared with prior art, avoid the use with the road device, thereby avoided the loss of signal that brings thus.
Description of drawings
Fig. 1 is total to the schematic diagram of feeder line for existing TD-SCDMA antenna and TD-LTE antenna;
The array layout schematic diagram of the antenna equipment that Fig. 2 A and Fig. 2 B provide for the embodiment of the invention;
The electric mode transfer piece schematic diagram of the antenna equipment that Fig. 3 provides for the embodiment of the invention;
One of electric mode transfer piece internal structure schematic diagram of the antenna equipment that Fig. 4 provides for the embodiment of the invention;
Two of the electric mode transfer piece internal structure schematic diagram of the antenna equipment that Fig. 5 provides for the embodiment of the invention.
Embodiment
For the problem that prior art exists, the embodiment of the invention adopts the shared antenna mode, by at an antenna equipment TD system antenna array and LTE(or GSM being set) aerial array, thereby realize TD system and LTE(or GSM) system's common antenna.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Referring to Fig. 2 A and Fig. 2 B, the array layout schematic diagram of the antenna equipment that provides for the embodiment of the invention.Antenna equipment shown in Fig. 2 A is take the antenna equipment of 8 antennas as example, and the array of this antenna equipment is 6 * 8 arrays, that is, a period of time layout in the array is 8 row, 6 row, and each leu is numbered the 1st, 2,3,4,5,6 row.Wherein:
The a period of time that is in the 2nd, 3,4,5 row is to adopt based on the AB frequency range (radiating element of 1880～2025MHz) designs, the main equipment of the corresponding antenna port of these arrays and 3G TD system (such as TD-SCDMA or TD-CDMA system), such as the Remote Radio Unit in base station or the RRU(distributed base station) equipment connection, thereby a period of time that makes these row is used for the transmitting-receiving of 3G TD system signal, uses with the air feedback unit as 3G TD system.
The a period of time that are in the 1st, 6 row adopt based on C frequency range (2300～2400MHz) or the radiating element of 1700～2700MHz frequency range design, the corresponding antenna port of these arrays and 4G LTE system (such as TD-LTE or FDD-LTE system) or the 2G gsm system (preferably, GSM 1800MHz) main equipment of system (such as base station equipment) connects, can be used for 4G LTE system or 2G gsm system signal transmitting and receiving, use with the air feedback unit as 4G LTE system or 2G gsm system (following table is shown the LTE/GSM system).
Antenna equipment shown in Fig. 2 B is take the antenna equipment of 8 antennas as example, and the array of this antenna equipment is 5 * 8 arrays, wherein:
The a period of time that is in the 1st, 2,3,4 row is the radiating element that adopts based on the design of AB frequency range, the corresponding antenna port of these arrays is connected with the main equipment of 3G TD system (such as TD-SCDMA or TD-CDMA system), thereby a period of time that makes these row is used for the transmitting-receiving of 3G TD system signal, uses with the air feedback unit as 3G TD system.
Be in a period of time employing of the 5th row based on the radiating element of C frequency range or the design of 1700～2700MHz frequency range, the corresponding antenna port of these arrays is connected with the main equipment of 4G LTE system (such as TD-LTE or FDD-LTE system) or 2G gsm system (such as GSM 1800MHz system), can be used for the transmitting-receiving of LTE/GSM system signal, use with the air feedback unit as the LTE/GSM system.
Need to prove, above embodiment of the present invention only is described as an example of 6 * 8 and 5 * 8 aerial array example, aerial array for other m * n, also can adopt similar fashion to realize the multisystem shared antenna, namely, be positioned at outermost row or two column arrays in the aerial array with m * n as the aerial array of LTE/GSM system, with the aerial array of all the other aerial arrays as the TD system.
In order to ensure consistency and the symmetry of the final figuration effect of the corresponding aerial array of TD system, in the embodiment of the invention the corresponding aerial array of LTE/GSM system is arranged on the both sides of array, will be conducive to guarantee this symmetric requirement.In addition, the corresponding aerial array of LTE/GSM system is arranged on both sides is conducive to also guarantee to greatest extent that the space between corresponding two arrays of TD system and LTE/GSM system isolates, this will be better for the LTE network performance.Certainly, if adopt the poliarizing antenna mode, it also is feasible that the corresponding array of LTE/GSM system is arranged on the same side.
In the antenna equipment that the embodiment of the invention provides, a period of time in the corresponding array of LTE/GSM system can all be adopted the perpendicular polarization mode, if the corresponding array of LTE/GSM system has 2 row, then also can adopt respectively this 2 array+45 degree and-45 degree polarization modes are (as adopting+45 degree polarization modes to wherein array, another array adopts-45 degree polarization modes, and vice versa); Can adopt the polarization mode of present TD system antenna array for a period of time of the corresponding array of TD system, such as dual polarization a period of time.
In the antenna equipment that the embodiment of the invention provides, support the aerial array of different system to design according to one of following designing requirement:
The corresponding array of LTE/GSM system can adopt than the corresponding array of TD system has the more array of wide bandwidth, such as a period of time of, the corresponding array of LTE/GSM system adopt can support the radiating element of 1760MHz～2400MHz bandwidth or more the radiating element of high bandwidth (such as 1700MHz～2700MHz).Like this, the corresponding array of LTE/GSM can both be supported the bandwidth requirement of LTE system, supported again the bandwidth requirement of gsm system, thereby the antenna equipment that the embodiment of the invention is provided can be supported TD system, LTE system and gsm system;
Realize the isolation of 1-2 λ between the corresponding array of the corresponding array of LTE/GSM system and TD system, to reduce the phase mutual interference between the two class arrays;
At the antenna port design aspect, make the port of LTE/GSM systems array have the cross polarization higher than the port of TD systems array and compare index, such as, the cross polarization of the port of LTE/GSM systems array is than more than 25dB, and the cross polarization of the port of TD systems array is than just can more than 20dB.This be because: the LTE system is better to the lower then LTE of the requirement of antenna channel correlation systematic function, is about 0.5 such as coefficient correlation; And for the TD-SCDMA system, owing to adopting the wave beam forming technology, must guarantee certain correlation between the aerial array, be about 0.7 such as coefficient correlation; Simulation result shows, the correlation of existing TD-SCDMA antenna can't satisfy the LTE system requirements fully, and the TD-LTE antenna is higher for the requirement of channel independence, corresponds to the concrete electric index of antenna---the index of cross polarization ratio also can be higher.Like this, design by the differentiation to the corresponding antenna port of different system in the embodiment of the invention, do not take this differentiation design than prior art, then the antenna equipment that provides of the embodiment of the invention can satisfy different system to the requirement of correlation, thereby makes network performance reach optimum.
Antenna equipment shown in Fig. 2 A or Fig. 2 B can obtain by traditional TD-SCDMA antenna is transformed, as, obtain the antenna equipment shown in Fig. 2 A thereby increase new array on the both sides of traditional TD-SCDMA aerial array.In order to guarantee that newly-increased array element can excessively not have influence on the entire area of antenna, can between each array, adopt the design of more tightening spacing, such as reducing to 65mm from 75mm, the width of reduction will be for the expense of newly-increased array.
In the antenna equipment that the embodiment of the invention provides, the aerial array that is used for the LTE/GSM system can adopt supports the design of wide band electricity accentization, and like this, corresponding system can adjust lower decline angle individually, optimizes respectively to be conducive to network.The below is take the antenna equipment shown in Fig. 2 A as example, describe the adjustment that realizes aerial array a period of time lower decline angle by electric mode transfer piece, the implementation that the electric mode transfer piece of the antenna equipment of other array layouts that the embodiment of the invention provides and lower decline angle are adjusted similarly.
In the antenna equipment shown in Fig. 2 A, can by 2 independently electric mode transfer piece adjust respectively the 1st in the aerial array, 6 arrays, and the lower decline angle of the 2nd, 3,4,5 array.As shown in Figure 3, electricity mode transfer piece 301 is electrically connected with the 1st, 6 arrays, and can adjust according to the control signal that receives the lower decline angle of the 1st, 6 array, thereby realize the lower decline angle in aerial array a period of time of being used for the LTE/GSM system is adjusted, and can adopt and support the design of wide band electricity accentization; Electricity mode transfer piece 302 is electrically connected with the 2nd, 3,4,5 arrays, and can adjust according to the control signal that receives the lower decline angle of the 2nd, 3,4,5 array, thereby realization is adjusted the lower decline angle for aerial array a period of time of TD-SCDMA system.In this manner, electric mode transfer piece 301 is similar with the internal structure of electric mode transfer piece 302, can be as shown in Figure 4.Inside at electric mode transfer piece 301 shown in Figure 4, comprise the control unit 401 and the phase shifter 402 that are connected in series, wherein, control unit 401 can be from the control signal receiving port reception control signal of antenna equipment, as receive the control signal that the TD-SCDMA system master sends, perhaps receive the control signal that the LTE/GSM system master sends, then it is resolved and the control signal that parses is transferred to phase shifter 402, after phase shifter 402 carries out the phase shift processing with the signal that receives, inner feeder by antenna equipment exports to respectively the 1st, a period of time of 6 arrays, thus adjust the 1st, the lower decline angle in a period of time of 6 arrays.In like manner, electricity mode transfer piece 302 also can reception control signal, as receive the TD-SCDMA system master, perhaps receive control signal and the parsing of the output of LTE/GSM system master, and the control signal that parses is transferred to the 2nd, 3,4,5 array to adjust its lower decline angle.
In the antenna equipment shown in Fig. 2 A, also can be sub to the 1st, 6 arrays respectively by 1 electric mode transfer piece, and the 2nd, 3,4,5 array carry out the adjustment of lower decline angle.As shown in Figure 5, the inside of this electricity mode transfer piece comprises control unit 501 and the phase shifter 502 that is connected in series, and the control unit 503 that is connected in series and phase shifter 504, and between control unit 501 and control unit 503, go back direct connection joint control unit 505 is arranged, wherein, phase shifter 502 and the 1st, 6 arrays are electrically connected, phase shifter 504 and the 2nd, 3,4,5 arrays are electrically connected, a control unit in two control units can receive for the control signal of adjusting aerial array a period of time lower decline angle, is control unit 501 reception control signals among Fig. 5.After control unit 501 receives for the control signal of adjusting the aerial array electrical tilt, judge that this control signal is for the control signal of adjusting the TD-SCDMA aerial array, still adjust the control signal of LTE/GSM system antenna array, if the former, then by joint control unit 505 this signal is transferred to control unit 503, and be transferred to phase-shifting unit 504 by control unit 503, carried out being transferred to respectively after phase shift is processed a period of time of the 2nd, 3,4,5 row by 504 pairs of control signals that receive of phase-shifting unit, to adjust its lower decline angle; If judging this control signal is for the control signal of adjusting LTE/GSM system antenna array, then this control signal is transferred to phase shifter 502, carried out being transferred to respectively after phase shift is processed a period of time of the 1st, 6 row by phase shifter 502, to adjust its lower decline angle.Control unit 501 can receive the system master from TD-SCDMA, the perhaps control signal of LTE/GSM system master or other remote control equipments, portability indication information in the control signal, be used to indicate control signal for adjusting the TD-SCDMA system antenna, or be used for adjusting the LTE/GSM system antenna.By electric mode transfer piece shown in Figure 5, can adopt the control signal that successively sends respectively for two kinds of system antenna arrays, adjust respectively the lower decline angle in these two kinds of system antenna array a period of time, compare the interface that to save electric mode transfer piece and system master with electric mode transfer piece shown in Figure 4.
In sum, the antenna equipment that the embodiment of the invention provides, can be TD system (comprising the systems such as TD-CDMA, TD-SCDMA), and LTE/GSM system (the LTE system comprises the systems such as TD-LTE, FDD-LTE) has realized that by individual antenna equipment 2G, 3G, 4G system are in the fusion of antenna feeder side, for a large amount of direct costs and indirect cost have been saved in networking, saved the terrace resource, and be not total to feeder line because the embodiment of the invention need not be used with the road device, thereby avoided because of the signal loss problem of introducing and the road device brings.In addition, owing to having realized that the 3G system adjusts separately the mode at inclination angle with other system, be conducive to network and optimize respectively.Have, the antenna equipment that the embodiment of the invention provides is with respect to the other system antenna again, and antenna size changes less, can not bring how extra difficulty to construction.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the antenna equipment of a shared by multiple systems, it is characterized in that, in the aerial array of described antenna equipment, part array is used for the signal transmitting and receiving of the 4th generation or second generation mobile communication system, and the antenna port corresponding with this array is used for connecting the main equipment of the 4th generation or second generation mobile communication system; The array of remainder is used for the signal transmitting and receiving of 3-G (Generation Three mobile communication system), and the antenna port corresponding with this array is used for connecting the main equipment of 3-G (Generation Three mobile communication system);
Described antenna equipment also comprises:
The first electric mode transfer piece, this module was electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving, was used for receiving the first control signal, and the lower decline angle in a period of time that is connected with this module according to this control signal adjustment;
The second electric mode transfer piece, this module was electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving, was used for receiving the second control signal, and the lower decline angle in a period of time that is connected with this module according to this control signal adjustment.
2. antenna equipment as claimed in claim 1, it is characterized in that, be used for the adjacent setting of each aerial array of 3-G (Generation Three mobile communication system) signal transmitting and receiving, the aerial array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving is positioned at for a side of all aerial arrays of 3-G (Generation Three mobile communication system) signal transmitting and receiving or is respectively in both sides.
3. antenna equipment as claimed in claim 1 is characterized in that, the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving with for the distance of interval 1 λ at least between the array of 3-G (Generation Three mobile communication system) signal transmitting and receiving.
4. antenna equipment as claimed in claim 1 is characterized in that, a period of time that is used for the array of the 4th generation or second generation mobile communication system signal transmitting and receiving is all adopted the perpendicular polarization mode;
Perhaps, the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving has two row, and be respectively in both sides for all aerial arrays of 3-G (Generation Three mobile communication system) signal transmitting and receiving, wherein a period of time of an array is adopted+45 degree polarization modes, and another array a period of time is adopted-45 degree polarization modes.
5. antenna equipment as claimed in claim 1 is characterized in that, is used for the bandwidth that a period of time of the aerial array of the 4th generation or second generation mobile communication system signal transmitting and receiving supports and comprises at least 1760MHz～2400MHz.
6. antenna equipment as claimed in claim 1, it is characterized in that, the corresponding antenna port of array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving has than the higher cross polarization ratio of the corresponding antenna port of array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving.
7. antenna equipment as claimed in claim 1 is characterized in that, the described first electric mode transfer piece comprises:
The first control unit is used for receiving the first control signal and resolving;
The first phase shifter is used for receiving the control signal that the first control unit parses, and it is carried out sending to respectively each a period of time that is connected with the described first electric mode transfer piece after phase shift is processed;
The described second electric mode transfer piece comprises:
The second control unit is used for receiving the second control signal and resolving;
The second phase shifter is used for receiving the control signal that the second control unit parses, and it is carried out sending to respectively each a period of time that is connected with the described second electric mode transfer piece after phase shift is processed.
8. such as each described antenna equipment of claim 1～6, it is characterized in that, also comprise the 3rd electric mode transfer piece with 2 control signal outputs and a control signal input, wherein, the first control signal output was electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving, and the second control signal output was electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving;
The described the 3rd electric mode transfer piece, be used for by control signal input reception control signal, and when this control signal be when adjust being used for the control signal of lower decline angle in a period of time of array of the 4th generation or second generation mobile communication system signal transmitting and receiving, transmit control signal to connected a period of time by the first control signal output; And, when this control signal is when adjust being used for the control signal of lower decline angle in a period of time of array of 3-G (Generation Three mobile communication system) signal transmitting and receiving, transmit control signal to connected a period of time by the second control signal output.
9. antenna equipment as claimed in claim 8 is characterized in that, the described the 3rd electric mode transfer piece comprises: two control units, two phase-shifting units, joint control unit, wherein:
The control unit that the phase-shifting unit that is electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving is connected in series, be used for reception control signal, and when described control signal be when adjust being used for the control signal of lower decline angle in a period of time of array of the 4th generation or second generation mobile communication system signal transmitting and receiving, to send it to the phase-shifting unit that is electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving; And, when described control signal is when adjust being used for the control signal of lower decline angle in a period of time of array of 3-G (Generation Three mobile communication system) signal transmitting and receiving, to send it to the joint control unit;
The phase-shifting unit that is electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving, be used for receiving the control signal of the control unit transmission that is connected in series with this phase-shifting unit, it is carried out sending to after phase shift is processed a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving that is connected with this phase-shifting unit;
The joint control unit is used for transmitting the control signal that receives;
The control unit that the phase-shifting unit that is electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving is connected in series is used for receiving the control signal of joint control unit forwards and sending it to the phase-shifting unit that is electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving;
The phase-shifting unit that is electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving, be used for receiving the control signal of the control unit transmission that is connected in series with this phase-shifting unit, and it is carried out sending to after phase shift is processed a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving that is connected with this phase-shifting unit.
10. such as each described antenna equipment of claim 1～6, it is characterized in that, described second generation mobile communication system is the global system for mobile communications gsm system, described 3-G (Generation Three mobile communication system) is TD SDMA TD-SCDMA system, and described the 4th Generation Mobile Communication System is Long Term Evolution LTE system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910084313 CN101888023B (en) | 2009-05-15 | 2009-05-15 | Antenna equipment shared by multiple systems |
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| CN 200910084313 CN101888023B (en) | 2009-05-15 | 2009-05-15 | Antenna equipment shared by multiple systems |
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| CN101888023B true CN101888023B (en) | 2013-02-13 |
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| CN 200910084313 Expired - Fee Related CN101888023B (en) | 2009-05-15 | 2009-05-15 | Antenna equipment shared by multiple systems |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2014006388A (en) * | 2011-12-13 | 2014-07-09 | Ericsson Telefon Ab L M | A node in a wireless communication network with at least two antenna columns. |
| CN105703054B (en) * | 2011-12-13 | 2018-08-24 | 瑞典爱立信有限公司 | Node at least two antenna arrays in cordless communication network |
| CN102448129B (en) * | 2011-12-31 | 2017-12-22 | 中兴通讯股份有限公司 | The mode switching method and device of LTE system |
| CN103516408A (en) * | 2012-06-29 | 2014-01-15 | 华为技术有限公司 | Antenna feeder network system |
| CN102931489B (en) * | 2012-10-29 | 2015-06-17 | 华为技术有限公司 | Electrically regulated antenna system and electric regulation method |
| CN103840865B (en) * | 2012-11-22 | 2017-01-25 | 中国移动通信集团公司 | Intelligent antenna device supporting multiple network types |
| CN103096467B (en) * | 2013-01-25 | 2015-12-09 | 华为技术有限公司 | The localization method of base station antenna feeder mouth and antenna port annexation and device |
| CN104661231B (en) * | 2013-11-25 | 2018-12-14 | 中国电信股份有限公司 | The system and method for realizing CDMA EVDO and CDMA 1X separation control |
| WO2018018466A1 (en) * | 2016-07-27 | 2018-02-01 | 华为技术有限公司 | Active antenna system, base station and communication system |
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| CN1852048A (en) * | 2005-12-31 | 2006-10-25 | 华为技术有限公司 | Public signal emitting method and device in multi-antenna system |
| CN101222088A (en) * | 2007-12-20 | 2008-07-16 | 京信通信系统（中国）有限公司 | Compact intelligent antenna |
| CN201126857Y (en) * | 2007-12-20 | 2008-10-01 | 京信通信系统（中国）有限公司 | Multisystem co-body antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852048A (en) * | 2005-12-31 | 2006-10-25 | 华为技术有限公司 | Public signal emitting method and device in multi-antenna system |
| CN101222088A (en) * | 2007-12-20 | 2008-07-16 | 京信通信系统（中国）有限公司 | Compact intelligent antenna |
| CN201126857Y (en) * | 2007-12-20 | 2008-10-01 | 京信通信系统（中国）有限公司 | Multisystem co-body antenna |
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